% Expired Patents = 75.0

Forward Citations = 14

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4 inventors (with patents filed for the assignee):

William Henry Campbell (3 out of 9 patents)

Yung K Kim (3 out of 10 patents)

Charles Edmund Skinner (3 out of 14 patents)

4. Anthony Revis (1 out of 44 patents)

4 patents: Sort by Forward Citations

1. 8323502 - Multi-layered macromolecules and methods for their use (2012-12-04),

2. 8114294 - Multi-layered macromolecules and methods for their use (2012-02-14),

3. 7157529 - Multi-layered macromolecules and methods for their use (2007-01-02),

4. 5922449 - Selective bonded phase materials for HPLC separations and method for (1999-07-13),

Company Overview

Diazem Corporation is a leading provider of innovative solutions in the technology sector. With a focus on cutting-edge research and development, Diazem offers a wide range of services including software development, data analytics, and cyber security. Our team of experts is dedicated to delivering high-quality products and services to our clients, helping them stay ahead in today's fast-paced digital world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#22 in Midland, MI

#2,023 in Michigan

#60,641 in US

Midland, MI, United States of America

Diazem Corporation

Forward Citations = 14

4 inventors:

William Henry Campbell (3 out of 9 patents)

Yung K Kim (3 out of 10 patents)

Charles Edmund Skinner (3 out of 14 patents)

4. Anthony Revis (1 out of 44 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Diazem Corporation. Retrieved from https://idiyas.com/company/diazem

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]